{
  "schema": 3,
  "clip_label": "clip-0001",
  "source_corpus": "VCTK",
  "fields": [
    "pitch_mean",
    "pitch_std",
    "spectral_centroid_mean",
    "hnr_mean",
    "cpps",
    "shimmer_local"
  ],
  "conditions": [
    {
      "condition": "sample_pool",
      "master": {
        "file": "master_CODEC_STUDY_codec_study_sample_pool_eng.jsonl",
        "bytes": 18389192,
        "rows": 6000,
        "sha256": "abd1b5df4512be20e3fb244277cebc46eb3fb2af5d4f30a86b86e5a63abc4db2"
      },
      "manifest": {
        "run_id": "9051eb9a-ff75-4aaf-b4cc-9af1aeefce31",
        "pipeline_version": "3.0.0",
        "created_at": "2026-09-25T23:33:58.588125+00:00"
      },
      "audio": {
        "sample_rate_hz": 48000,
        "duration_s": 3.501
      },
      "record": {
        "pitch_mean": 182.442249,
        "pitch_std": 36.74946,
        "spectral_centroid_mean": 4543.79641,
        "hnr_mean": 16.421658,
        "cpps": 10.853513,
        "shimmer_local": 0.058919
      }
    },
    {
      "condition": "resample_ctrl_16k",
      "master": {
        "file": "master_CODEC_STUDY_codec_study_resample_ctrl_16k_eng.jsonl",
        "bytes": 18402603,
        "rows": 6000,
        "sha256": "373094ff36b17add9104bb8baa67828f94554334b4426f4e8033f97f627910c1"
      },
      "manifest": {
        "run_id": "2f471a0d-0583-44b8-a1a1-75d2c0cabcf6",
        "pipeline_version": "3.0.0",
        "created_at": "2026-09-25T23:33:53.166679+00:00"
      },
      "audio": {
        "sample_rate_hz": 16000,
        "duration_s": 3.501
      },
      "record": {
        "pitch_mean": 182.443304,
        "pitch_std": 36.753268,
        "spectral_centroid_mean": 1250.343481,
        "hnr_mean": 16.70839,
        "cpps": 10.850298,
        "shimmer_local": 0.059106
      }
    },
    {
      "condition": "evs_9600_dtxadapt",
      "master": {
        "file": "master_CODEC_STUDY_codec_study_evs_9600_dtxadapt_eng.jsonl",
        "bytes": 18391685,
        "rows": 6000,
        "sha256": "6fcd7bce29c2ea3a29b7723a9b176dfd3ae6526d1ed75e45e9af0898016b72fc"
      },
      "manifest": {
        "run_id": "eb72af28-61cc-4987-be8a-66af8671619b",
        "pipeline_version": "3.0.0",
        "created_at": "2026-09-25T23:33:19.359861+00:00"
      },
      "audio": {
        "sample_rate_hz": 16000,
        "duration_s": 3.5
      },
      "record": {
        "pitch_mean": 183.259097,
        "pitch_std": 37.062463,
        "spectral_centroid_mean": 1237.529861,
        "hnr_mean": 17.128357,
        "cpps": 10.281997,
        "shimmer_local": 0.065254
      }
    }
  ]
}